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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.314 by root, Mon Jul 23 16:53:15 2007 UTC vs.
Revision 1.465 by root, Thu Jan 8 00:54:55 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;	56	use Digest::MD5;
29	use Fcntl;	57	use Fcntl;
30	use YAML::Syck ();	58	use YAML ();
31	use IO::AIO 2.32 ();	59	use IO::AIO ();
32	use Time::HiRes;	60	use Time::HiRes;
33	use Compress::LZF;	61	use Compress::LZF;
34	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
35		65
36	# configure various modules to our taste	66	# configure various modules to our taste
37	#	67	#
38	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		76
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		78
51	our %COMMAND = ();	79	our %COMMAND = ();
52	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	83	our %EXTCMD = ();
56	our %EXTICMD = ();	84	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
59		87
60	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	89	our @EVENT;
62		90
63	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	92	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
74		106
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	109	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	115	our $DB_ENV;
85		116
86	our %CFG;	117	our %CFG;
87		118
88	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
90		122
91	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
94		126
95	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		129
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
101		138
102	binmode STDOUT;	139	binmode STDOUT;
103	binmode STDERR;	140	binmode STDERR;
104		141
105	# read virtual server time, if available	142	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
110	}	147	}
111		148
112	mkdir $_	149	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		195
159	The raw value load value from the last tick.	196	The raw value load value from the last tick.
160		197
161	=item %cf::CFG	198	=item %cf::CFG
162		199
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	201	from wherever your confdir points to.
165		202
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		204
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	223	$msg .= "\n"
187	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
188		225
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		227
191	utf8::encode $msg;
192	LOG llevError, $msg;	228	LOG llevError, $msg;
193	};	229	};
194	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
195		246
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	257	for my $pkg (qw(
207	cf::global cf::attachable	258	cf::global cf::attachable
208	cf::object cf::object::player	259	cf::object cf::object::player
209	cf::client cf::player	260	cf::client cf::player
210	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
211	cf::map cf::party cf::region	263	cf::party cf::region
212	)) {	264	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	266	}
216		267
217	$Event::DIED = sub {	268	$EV::DIED = sub {
218	warn "error in event callback: @_";	269	warn "error in event callback: @_";
219	};	270	};
220		271
221	#############################################################################	272	#############################################################################
222		273
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	297	$d
247	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
248	}	299	}
249		300
250	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
251		302
252	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
253		304
254	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
255		306
256	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
257		308
258	=cut	309	=cut
259		310
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		312
262	sub to_json ($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
264		329
265	=item cf::lock_wait $string	330	=item cf::lock_wait $string
266		331
267	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
268		333
269	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
270		335
271	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
274	returned.	339	returned.
275		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
276	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
278		346
279	=item $locked = cf::lock_active $string	347	=item $locked = cf::lock_active $string
280		348
281	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
282		350
283	=cut	351	=cut
284		352
285	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
286		354
287	sub lock_wait($) {	355	sub lock_wait($) {
288	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	357	}
296		358
297	sub lock_acquire($) {	359	sub lock_acquire($) {
298	my ($key) = @_;	360	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	361	}
310		362
311	sub lock_active($) {	363	sub lock_active($) {
312	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	365	}
316		366
317	sub freeze_mainloop {	367	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
319		369
320	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;
322	};
323	$TICK_WATCHER->stop;
324	$guard
325	}	371	}
326		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
327	=item cf::get_slot $time[, $priority]	388	=item cf::get_slot $time[, $priority[, $name]]
328		389
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
330	This call blocks and returns only when you have at least C<$time> seconds	391	This call blocks and returns only when you have at least C<$time> seconds
331	of cpu time till the next tick. The slot is only valid till the next cede.	392	of cpu time till the next tick. The slot is only valid till the next cede.
332		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
333	Useful for short background jobs.	397	Useful for short background jobs.
334		398
335	=cut	399	=cut
336		400
337	our @SLOT_QUEUE;	401	our @SLOT_QUEUE;
338	our $SLOT_QUEUE;	402	our $SLOT_QUEUE;
339		403
340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
341	$SLOT_QUEUE = Coro::async {	405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
342	my $signal = new Coro::Signal;	408	my $signal = new Coro::Signal;
343		409
344	while () {	410	while () {
345	next_job:	411	next_job:
346	my $avail = cf::till_tick;	412	my $avail = cf::till_tick;
…		…
354	}	420	}
355	}	421	}
356	}	422	}
357		423
358	if (@SLOT_QUEUE) {	424	if (@SLOT_QUEUE) {
359	# we do not use wait_For_tick() as it returns immediately when tick is inactive	425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
360	push @cf::WAIT_FOR_TICK, $signal;	426	push @cf::WAIT_FOR_TICK, $signal;
361	$signal->wait;	427	$signal->wait;
362	} else {	428	} else {
363	Coro::schedule;	429	Coro::schedule;
364	}	430	}
365	}	431	}
366	};	432	};
367		433
368	sub get_slot($;$) {	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
369	my ($time, $pri) = @_;	437	my ($time, $pri, $name) = @_;
370		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];	442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
373	$SLOT_QUEUE->ready;	444	$SLOT_QUEUE->ready;
374	$sig->wait;	445	$sig->wait;
375	}	446	}
376		447
…		…
384		455
385	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
386		457
387	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
388		459
389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	460	The design of Deliantra requires that the main coroutine ($Coro::main)
390	is always able to handle events or runnable, as Crossfire TRT is only	461	is always able to handle events or runnable, as Deliantra is only
391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
392	acceptable.	463	acceptable.
393		464
394	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
395	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
…		…
400		471
401	sub sync_job(&) {	472	sub sync_job(&) {
402	my ($job) = @_;	473	my ($job) = @_;
403		474
404	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
405	my $time = Event::time;	476	my $time = EV::time;
406		477
407	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
408	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
409		480
410	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
411	# (but this is cancel-safe)	482
412	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
413		484
414	my $busy = 1;	485	my $busy = 1;
415	my @res;	486	my @res;
416		487
417	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
418	@res = eval { $job->() };	490	@res = eval { $job->() };
419	warn $@ if $@;	491	warn $@ if $@;
420	undef $busy;	492	undef $busy;
421	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
422		494
423	while ($busy) {	495	while ($busy) {
424	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
425	}	500	}
		501	}
426		502
427	$time = Event::time - $time;	503	my $time = EV::time - $time;
428		504
429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
431
432	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
433		506
434	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
435	} else {	508	} else {
436	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
437		510
…		…
462	=item fork_call { }, $args	535	=item fork_call { }, $args
463		536
464	Executes the given code block with the given arguments in a seperate	537	Executes the given code block with the given arguments in a seperate
465	process, returning the results. Everything must be serialisable with	538	process, returning the results. Everything must be serialisable with
466	Coro::Storable. May, of course, block. Note that the executed sub may	539	Coro::Storable. May, of course, block. Note that the executed sub may
467	never block itself or use any form of Event handling.	540	never block itself or use any form of event handling.
468		541
469	=cut	542	=cut
470
471	sub _store_scalar {
472	open my $fh, ">", \my $buf
473	or die "fork_call: cannot open fh-to-buf in child : $!";
474	Storable::store_fd $_[0], $fh;
475	close $fh;
476
477	$buf
478	}
479		543
480	sub fork_call(&@) {	544	sub fork_call(&@) {
481	my ($cb, @args) = @_;	545	my ($cb, @args) = @_;
482		546
483	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	547	# we seemingly have to make a local copy of the whole thing,
484	# or die "socketpair: $!";	548	# otherwise perl prematurely frees the stuff :/
485	pipe my $fh1, my $fh2	549	# TODO: investigate and fix (likely this will be rather laborious)
486	or die "pipe: $!";
487		550
488	if (my $pid = fork) {	551	my @res = Coro::Util::fork_eval {
489	close $fh2;
490
491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
492	warn "pst<$res>" unless $res =~ /^pst/;
493	$res = Coro::Storable::thaw $res;
494
495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
496
497	Carp::confess $$res unless "ARRAY" eq ref $res;
498
499	return wantarray ? @$res : $res->[-1];
500	} else {
501	reset_signals;	552	reset_signals;
502	local $SIG{__WARN__};	553	&$cb
503	local $SIG{__DIE__};	554	}, @args;
504	# just in case, this hack effectively disables event
505	# in the child. cleaner and slower would be canceling all watchers,
506	# but this works for the time being.
507	local $Coro::idle;
508	$Coro::current->prio (Coro::PRIO_MAX);
509		555
510	eval {	556	wantarray ? @res : $res[-1]
511	close $fh1;	557	}
512		558
513	my @res = eval { $cb->(@args) };	559	=item $coin = coin_from_name $name
514		560
515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	561	=cut
516	close $fh2;
517	};
518		562
519	warn $@ if $@;	563	our %coin_alias = (
520	_exit 0;	564	"silver" => "silvercoin",
521	}	565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
522	}	584	}
523		585
524	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
525		587
526	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
528	=item cf::db_put $family => $key => $value	590	=item cf::db_put $family => $key => $value
529		591
530	Stores the given C<$value> in the family. It can currently store binary	592	Stores the given C<$value> in the family. It can currently store binary
531	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
532		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
533	=cut	600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
534		618
535	our $DB;	619	our $DB;
536		620
537	sub db_init {	621	sub db_init {
538	unless ($DB) {
539	$DB = BDB::db_create $DB_ENV;
540
541	cf::sync_job {	622	cf::sync_job {
542	eval {	623	$DB ||= db_table "db";
543	$DB->set_flags (BDB::CHKSUM);
544
545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
547	cf::cleanup "db_open(db): $!" if $!;
548	};
549	cf::cleanup "db_open(db): $@" if $@;
550	};
551	}	624	};
552	}	625	}
553		626
554	sub db_get($$) {	627	sub db_get($$) {
555	my $key = "$_[0]/$_[1]";	628	my $key = "$_[0]/$_[1]";
556		629
…		…
606	if (1) {	679	if (1) {
607	$md5 =	680	$md5 =
608	join "\x00",	681	join "\x00",
609	$processversion,	682	$processversion,
610	map {	683	map {
611	Coro::cede;	684	cf::cede_to_tick;
612	($src->[$_], Digest::MD5::md5_hex $data[$_])	685	($src->[$_], Digest::MD5::md5_hex $data[$_])
613	} 0.. $#$src;	686	} 0.. $#$src;
614		687
615		688
616	my $dbmd5 = db_get cache => "$id/md5";	689	my $dbmd5 = db_get cache => "$id/md5";
…		…
654		727
655	#############################################################################	728	#############################################################################
656		729
657	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
658		731
659	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
660	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
661	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
662		735
663	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
664	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
665	Crossfire TRT).	738	Deliantra).
666		739
667	=over 4	740	=over 4
668		741
669	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
670		743
…		…
714	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
715		788
716	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
717	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
718		791
719	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
720	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
721		794
722	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
723		796
724	=over 4	797	=over 4
…		…
952	}	1025	}
953		1026
954	0	1027	0
955	}	1028	}
956		1029
957	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
958		1031
959	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
960		1033
961	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
962		1035
…		…
968		1041
969	=cut	1042	=cut
970		1043
971	#############################################################################	1044	#############################################################################
972	# object support	1045	# object support
973	#
974		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
975	sub _can_merge {	1080	sub _can_merge {
976	my ($ob1, $ob2) = @_;	1081	my ($ob1, $ob2) = @_;
977		1082
978	local $Storable::canonical = 1;	1083	++$SLOW_MERGES;#d#
979	my $fob1 = Storable::freeze $ob1;
980	my $fob2 = Storable::freeze $ob2;
981		1084
982	$fob1 eq $fob2	1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
983	}	1087	}
984		1088
985	sub reattach {	1089	sub reattach {
986	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
987	my ($obj) = @_;	1091	my ($obj) = @_;
988		1092
		1093	# no longer needed after getting rid of delete_package?
989	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
990		1095
991	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
992		1097
993	@$registry = ();	1098	@$registry = ();
994		1099
…		…
1009	cf::attachable->attach (	1114	cf::attachable->attach (
1010	prio => -1000000,	1115	prio => -1000000,
1011	on_instantiate => sub {	1116	on_instantiate => sub {
1012	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
1013		1118
1014	$data = from_json $data;	1119	$data = decode_json $data;
1015		1120
1016	for (@$data) {	1121	for (@$data) {
1017	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
1018		1123
1019	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
1035	sub object_freezer_save {	1140	sub object_freezer_save {
1036	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
1037		1142
1038	sync_job {	1143	sync_job {
1039	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
1040	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
1041	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
1042		1148
1043	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1044	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
1045	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1046	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
1047	close $fh;	1153	aio_close $fh;
1048		1154
1049	if (@$objs) {	1155	if (@$objs) {
1050	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1051	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
1052	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1053	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
1054	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
1055	close $fh;	1161	aio_close $fh;
1056	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
1057	}	1163	}
1058	} else {	1164	} else {
1059	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
1060	}	1166	}
1061		1167
1062	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
1063	} else {	1172	} else {
1064	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
1065	}	1174	}
1066	} else {	1175	} else {
1067	aio_unlink $filename;	1176	aio_unlink $filename;
1068	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
1069	}	1178	}
1070	}	1179	};
1071	}	1180	}
1072		1181
1073	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
1074	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
1075		1184
…		…
1087	or return;	1196	or return;
1088		1197
1089	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1200	or return;
		1201
1092	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
1093	}	1204	}
1094		1205
		1206	utf8::decode (my $decname = $filename);
1095	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
1096	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
1097	return ($data, $av);	1210	($data, $av)
1098	}	1211	}
1099		1212
1100	=head2 COMMAND CALLBACKS	1213	=head2 COMMAND CALLBACKS
1101		1214
1102	=over 4	1215	=over 4
…		…
1156	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1157		1270
1158	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1159	}	1272	}
1160		1273
		1274	use File::Glob ();
		1275
1161	cf::player->attach (	1276	cf::player->attach (
1162	on_command => sub {	1277	on_command => sub {
1163	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1164		1279
1165	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1175	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
1176		1291
1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1178		1293
1179	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
1181	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
1182	$pl->ext_reply ($msg->{msgid}, %reply);
1183	}
1184	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
1185	} else {	1309	} else {
1186	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1187	}	1311	}
1188		1312
1189	cf::override;	1313	cf::override;
1190	},	1314	},
1191	);	1315	);
		1316
		1317	# "readahead" all extensions
		1318	sub cache_extensions {
		1319	my $grp = IO::AIO::aio_group;
		1320
		1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1322	for (grep /\.ext$/, @{$_[0]}) {
		1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1324	}
		1325	};
		1326
		1327	$grp
		1328	}
1192		1329
1193	sub load_extensions {	1330	sub load_extensions {
1194	cf::sync_job {	1331	cf::sync_job {
1195	my %todo;	1332	my %todo;
1196		1333
…		…
1216		1353
1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1219		1356
1220	$ext{source} =	1357	$ext{source} =
1221	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1222	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1223	. $source	1360	. $source
1224	. "\n};\n1";	1361	. "\n};\n1";
1225		1362
1226	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1242	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1243	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1244		1381
1245	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1246	warn $msg;	1383	warn $msg;
1247	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1248	exit 1;
1249	}	1385	}
1250		1386
1251	warn $msg;	1387	warn $msg;
1252	}	1388	}
1253		1389
…		…
1267		1403
1268	=back	1404	=back
1269		1405
1270	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1271		1407
1272	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1273		1409
1274	=cut	1410	=cut
1275		1411
1276	package cf::player;	1412	package cf::player;
1277		1413
1278	use Coro::AIO;	1414	use Coro::AIO;
1279		1415
1280	=head3 cf::player	1416	=head3 cf::player
1281		1417
1282	=over 4	1418	=over 4
		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
1283		1433
1284	=item cf::player::find $login	1434	=item cf::player::find $login
1285		1435
1286	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
1287		1437
…		…
1306		1456
1307	sub exists($) {	1457	sub exists($) {
1308	my ($login) = @_;	1458	my ($login) = @_;
1309		1459
1310	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1311	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1312	}	1462	}
1313		1463
1314	sub find($) {	1464	sub find($) {
1315	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1316	my $login = $_[0];	1466	my $login = $_[0];
…		…
1323	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1324	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1325	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1326	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1327		1477
1328	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1329	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1330	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1331	}	1487	}
1332	}	1488	}
1333	}	1489	}
1334		1490
…		…
1343	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1344		1500
1345	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1346	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1347		1503
		1504	cf::get_slot 0.01;
		1505
1348	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1349	Coro::cede;	1507	cf::cede_to_tick;
1350	}	1508	}
1351		1509
1352	sub new($) {	1510	sub new($) {
1353	my ($login) = @_;	1511	my ($login) = @_;
1354		1512
…		…
1360	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1361		1519
1362	$self	1520	$self
1363	}	1521	}
1364		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1365	=item $pl->quit_character	1533	=item $pl->quit_character
1366		1534
1367	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1368	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1369		1537
…		…
1373	my ($pl) = @_;	1541	my ($pl) = @_;
1374		1542
1375	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1376		1544
1377	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1378	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1379		1547
1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1381	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1382	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1383	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1384		1554
1385	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1386	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1422	or return [];	1592	or return [];
1423		1593
1424	my @logins;	1594	my @logins;
1425		1595
1426	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1427	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1428	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1429	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1430		1606
1431	utf8::decode $login;	1607	utf8::decode $login;
1432	push @logins, $login;	1608	push @logins, $login;
1433	}	1609	}
1434		1610
…		…
1461	}	1637	}
1462		1638
1463	\@paths	1639	\@paths
1464	}	1640	}
1465		1641
1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1467		1643
1468	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1469		1645
1470	=cut
1471
1472	sub expand_cfpod {
1473	((my $self), (local $_)) = @_;
1474
1475	# escape & and <
1476	s/&/&amp;/g;
1477	s/(?<![BIUGH])</&lt;/g;
1478
1479	# this is buggy, it needs to properly take care of nested <'s
1480
1481	1 while
1482	# replace B<>, I<>, U<> etc.
1483	s/B<([^\>]*)>/<b>$1<\/b>/
1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
1486	# replace G<male|female> tags
1487	|| s{G<([^>|]*)\|([^>]*)>}{
1488	$self->gender ? $2 : $1
1489	}ge
1490	# replace H<hint text>
1491	|| s{H<([^\>]*)>}
1492	{
1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1495	"")
1496	[$self->{hintmode}]
1497	}ge;
1498
1499	# create single paragraphs (very hackish)
1500	s/(?<=\S)\n(?=\w)/ /g;
1501
1502	# compress some whitespace
1503	s/\s+\n/\n/g; # ws line-ends
1504	s/\n\n+/\n/g; # double lines
1505	s/^\n+//; # beginning lines
1506	s/\n+$//; # ending lines
1507
1508	$_
1509	}
1510
1511	sub hintmode {
1512	$_[0]{hintmode} = $_[1] if @_ > 1;
1513	$_[0]{hintmode}
1514	}
1515
1516	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1517		1647
1518	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1519		1649
1520	=cut	1650	=cut
1521		1651
1522	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1523	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1524		1654
1525	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1527	}	1656	}
1528		1657
1529	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1530		1659
1531	Sends an ext event to the client.	1660	Sends an ext event to the client.
1532		1661
1533	=cut	1662	=cut
1534		1663
1535	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1536	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1537		1666
1538	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1539	}	1668	}
1540		1669
1541	=head3 cf::region	1670	=head3 cf::region
1542		1671
1543	=over 4	1672	=over 4
…		…
1587	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1588	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1589		1718
1590	sub generate_random_map {	1719	sub generate_random_map {
1591	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1592	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1593	$self->_create_random_map (	1725	$self->_create_random_map (
1594	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1595	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1596	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1718		1850
1719	# the temporary/swap location	1851	# the temporary/swap location
1720	sub save_path {	1852	sub save_path {
1721	my ($self) = @_;	1853	my ($self) = @_;
1722		1854
1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1724	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1725	}	1857	}
1726		1858
1727	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1728	sub uniq_path {	1860	sub uniq_path {
1729	my ($self) = @_;	1861	my ($self) = @_;
1730		1862
1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1732	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1733	}
1734
1735	# and all this just because we cannot iterate over
1736	# all maps in C++...
1737	sub change_all_map_light {
1738	my ($change) = @_;
1739
1740	$_->change_map_light ($change)
1741	for grep $_->outdoor, values %cf::MAP;
1742	}	1865	}
1743		1866
1744	sub decay_objects {	1867	sub decay_objects {
1745	my ($self) = @_;	1868	my ($self) = @_;
1746		1869
…		…
1759		1882
1760	sub load_header_from($) {	1883	sub load_header_from($) {
1761	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1762		1885
1763	utf8::encode $path;	1886	utf8::encode $path;
1764	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1765	# or return;
1766
1767	$self->_load_header ($path)
1768	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1769		1895
1770	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1771		1897
1772	1	1898	1
1773	}	1899	}
…		…
1827	sub find {	1953	sub find {
1828	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1829		1955
1830	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1831		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1832	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1833		1960
1834	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1835	my $guard = cf::lock_acquire "map_find:$path";
1836	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1837	or return;	1963	or return;
1838		1964
1839	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1840		1966
…		…
1842	or return;	1968	or return;
1843		1969
1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1845	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1846	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1847	$map->reset;	1975	$map->reset;
1848	undef $guard;
1849	return find $path;	1976	return find $path;
1850	}	1977	}
1851		1978
1852	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1853	}	1980	}
…		…
1862	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1863		1990
1864	my $path = $self->{path};	1991	my $path = $self->{path};
1865		1992
1866	{	1993	{
1867	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1868		1995
		1996	return unless $self->valid;
1869	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1870		1998
1871	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1872		2000
1873	$self->alloc;	2001	$self->alloc;
1874		2002
1875	$self->pre_load;	2003	$self->pre_load;
1876	Coro::cede;	2004	cf::cede_to_tick;
1877		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1878	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1879	or return;	2009	or return;
1880		2010
1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1882	if delete $self->{load_original};	2012	if delete $self->{load_original};
1883		2013
1884	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1885	utf8::encode $uniq;	2015	utf8::encode $uniq;
1886	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1887	$self->clear_unique_items;	2018	$self->clear_unique_items;
1888	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1889	}	2022	}
1890	}	2023	}
1891		2024
1892	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1893	# now do the right thing for maps	2028	# now do the right thing for maps
1894	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1895	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1896	unless $self->difficulty;	2031	unless $self->difficulty;
1897	Coro::cede;	2032	cf::cede_to_tick;
1898		2033
1899	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1900	$self->decay_objects;	2035	$self->decay_objects;
1901	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1902	$self->update_buttons;	2037	$self->update_buttons;
1903	Coro::cede;	2038	cf::cede_to_tick;
1904	$self->set_darkness_map;
1905	Coro::cede;
1906	$self->activate;	2039	$self->activate;
1907	}	2040	}
1908		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
1909	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
1910	}	2046	}
1911		2047
1912	$self->post_load;	2048	$self->post_load;
1913	}	2049	}
1914		2050
…		…
1923		2059
1924	$self	2060	$self
1925	}	2061	}
1926		2062
1927	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1928	sub load_diag {	2064	sub load_neighbours {
1929	my ($map) = @_;	2065	my ($map) = @_;
1930		2066
1931	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1932		2068
1933	for (0 .. 3) {	2069	for (0 .. 3) {
1934	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1935	or next;	2071	or next;
1936	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1937	or next;	2073	or next;
1938	$neigh->load;	2074	$neigh->load;
1939		2075
		2076	push @neigh,
1940	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1941	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1942	}	2079	}
1943		2080
1944	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1945	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1946	or next;	2084	or next;
1947	$neigh->load;	2085	$neigh->load;
1948	}	2086	}
1949	}	2087	}
1950		2088
…		…
1955	}	2093	}
1956		2094
1957	sub do_load_sync {	2095	sub do_load_sync {
1958	my ($map) = @_;	2096	my ($map) = @_;
1959		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1960	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1961	}	2102	}
1962		2103
1963	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1964	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1965		2106
1966	sub find_async {	2107	sub find_async {
1967	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1968		2109
1969	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1970		2111
1971	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1972	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2114	}
1974		2115
1975	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1976	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1977	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1978	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $path) {	2123	if (my $map = find $k) {
1980	$map->load;	2124	$map->load if $v;
1981	}	2125	}
1982		2126
1983	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1984	}	2128	}
1985	}	2129	}
1986	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1987	};	2131	};
1988	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1991	}	2135	}
1992		2136
1993	sub save {	2137	sub save {
1994	my ($self) = @_;	2138	my ($self) = @_;
1995		2139
1996	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1997		2141
1998	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1999		2143
2000	return unless $self->dirty;	2144	return unless $self->dirty;
2001		2145
…		…
2007	return if $self->{deny_save};	2151	return if $self->{deny_save};
2008		2152
2009	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
2010		2154
2011	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
2013	};	2158	};
		2159
		2160	cf::get_slot 0.02;
2014		2161
2015	if ($uniq) {	2162	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2165	} else {
…		…
2024	my ($self) = @_;	2171	my ($self) = @_;
2025		2172
2026	# save first because save cedes	2173	# save first because save cedes
2027	$self->save;	2174	$self->save;
2028		2175
2029	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2177
2031	return if $self->players;	2178	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
2033	return if $self->{deny_save};	2180	return if $self->{deny_save};
2034		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
2035	$self->clear;	2186	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2187	}
2038		2188
2039	sub reset_at {	2189	sub reset_at {
2040	my ($self) = @_;	2190	my ($self) = @_;
2041		2191
…		…
2073	if $uniq;	2223	if $uniq;
2074	}	2224	}
2075		2225
2076	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
2077		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2230	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2231
2082	$self->unlink_save;	2232	$self->unlink_save;
2083	$self->destroy;	2233	$self->destroy;
2084	}	2234	}
2085		2235
2086	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
2087		2237
2088	sub nuke {	2238	sub nuke {
2089	my ($self) = @_;	2239	my ($self) = @_;
2090		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
2091	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
2092		2245
2093	$self->unlink_save;	2246	$self->unlink_save;
2094		2247
2095	bless $self, "cf::map";	2248	bless $self, "cf::map";
2096	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
2097	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
2098	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2100		2253
2101	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
2102		2256
2103	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
2104	}	2258	}
2105		2259
2106	=item $maps = cf::map::tmp_maps	2260	=item $maps = cf::map::tmp_maps
…		…
2148		2302
2149	sub unique_maps() {	2303	sub unique_maps() {
2150	[	2304	[
2151	map {	2305	map {
2152	utf8::decode $_;	2306	utf8::decode $_;
2153	/\.map$/	2307	s/\.map$//; # TODO future compatibility hack
		2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2309	? ()
2154	? normalise $_	2310	: normalise $_
2155	: ()
2156	} @{ aio_readdir $UNIQUEDIR or [] }	2311	} @{ aio_readdir $UNIQUEDIR or [] }
2157	]	2312	]
2158	}	2313	}
2159		2314
2160	package cf;
2161
2162	=back	2315	=back
2163		2316
2164	=head3 cf::object	2317	=head3 cf::object
2165		2318
2166	=cut	2319	=cut
…		…
2169		2322
2170	=over 4	2323	=over 4
2171		2324
2172	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
2173		2326
2174	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
2175		2329
2176	=cut	2330	=cut
2177		2331
2178	sub inv_recursive_;	2332	sub inv_recursive_;
2179	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
2182		2336
2183	sub inv_recursive {	2337	sub inv_recursive {
2184	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
2185	}	2339	}
2186		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
2187	package cf;	2369	package cf;
2188		2370
2189	=back	2371	=back
2190		2372
2191	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
2197	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2198	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
2199	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
2200		2382
2201	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
2202		2398
2203	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
2204	# with dialog boxes.	2400	# with dialog boxes.
2205	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
2206	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
2213		2409
2214	} else {	2410	} else {
2215	my $pl = $self->contr;	2411	my $pl = $self->contr;
2216		2412
2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2218	my $diag = $pl->{npc_dialog};	2414	my $dialog = $pl->{npc_dialog};
2219	$diag->{pl}->ext_reply (	2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2220	$diag->{id},
2221	msgtype => "reply",
2222	msg => $diag->{pl}->expand_cfpod ($msg),
2223	add_topics => []
2224	);
2225		2416
2226	} else {	2417	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2420	}
2230	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
2231	}	2432	}
2232		2433
2233	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
2234		2435
2235	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
2248		2449
2249	=item $player_object->enter_link	2450	=item $player_object->enter_link
2250		2451
2251	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
2252		2453
2253	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
2254	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
2255		2458
2256	Will never block.	2459	Will never block.
2257		2460
2258	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
2259		2462
…		…
2314	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
2315	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
2316	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
2317		2520
2318	$map->load;	2521	$map->load;
2319	$map->load_diag;	2522	$map->load_neighbours;
2320		2523
2321	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2322	$self->activate_recursive;	2526	$self->activate_recursive;
2323		2527
2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2325	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
2326	}	2530	}
…		…
2331	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
2332	that has to return the map if sucecssful, and then unfreezes the player on	2536	that has to return the map if sucecssful, and then unfreezes the player on
2333	the new (success) or old (failed) map position. In either case, $done will	2537	the new (success) or old (failed) map position. In either case, $done will
2334	be called at the end of this process.	2538	be called at the end of this process.
2335		2539
		2540	Note that $check will be called with a potentially non-loaded map, so if
		2541	it needs a loaded map it has to call C<< ->load >>.
		2542
2336	=cut	2543	=cut
2337		2544
2338	our $GOTOGEN;	2545	our $GOTOGEN;
2339		2546
2340	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
…		…
2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2345		2552
2346	$self->enter_link;	2553	$self->enter_link;
2347		2554
2348	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
2349	my $map = eval {	2577	my $map = eval {
2350	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
2351		2579
2352	if ($map) {	2580	if ($map) {
2353	$map = $map->customise_for ($self);	2581	$map = $map->customise_for ($self);
2354	$map = $check->($map) if $check && $map;	2582	$map = $check->($map) if $check && $map;
2355	} else {	2583	} else {
2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2357	}	2585	}
2358		2586
2359	$map	2587	$map
2360	};	2588	};
2361		2589
…		…
2397	}	2625	}
2398		2626
2399	sub prepare_random_map {	2627	sub prepare_random_map {
2400	my ($exit) = @_;	2628	my ($exit) = @_;
2401		2629
2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
2403
2404	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2405	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2406	# that depends on the exit object	2632	# that depends on the exit object
2407		2633
2408	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2410	if ($exit->map) {	2636	if ($exit->map) {
2411	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2412	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2413	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2414	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2415	}	2643	}
2416		2644
2417	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2418		2646
2419	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2420	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2421	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2422		2650
2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2424	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2425	undef $fh;	2653	undef $fh;
2426	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2427		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2428	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2429	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2430	}	2662	}
2431	}	2663	}
2432		2664
2433	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2434	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2435		2667
2436	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2437		2669
2438	if ($exit->slaying eq "/!") {
2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
2440	# the problem is that $exit might not survive long enough
2441	# so it needs to be done right now, right here
2442	cf::sync_job { prepare_random_map $exit };
2443	}
2444
2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2446	my $hp = $exit->stats->hp;
2447	my $sp = $exit->stats->sp;
2448
2449	$self->enter_link;	2670	$self->enter_link;
2450		2671
2451	# if exit is damned, update players death & WoR home-position
2452	$self->contr->savebed ($slaying, $hp, $sp)
2453	if $exit->flag (FLAG_DAMNED);
2454
2455	(async {	2672	(async {
2456	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
2457	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
2458	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2459		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
2460	1;	2696	1
2461	}) {	2697	}) {
2462	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2463	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
2464	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2465	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2466		2702
2467	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2495	the message, with C<log> being the default. If C<$color> is negative, suppress	2731	the message, with C<log> being the default. If C<$color> is negative, suppress
2496	the message unless the client supports the msg packet.	2732	the message unless the client supports the msg packet.
2497		2733
2498	=cut	2734	=cut
2499		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/statistics" => {
		2775	id => "infobox",
		2776	title => "Statistics",
		2777	reply => undef,
		2778	tooltip => "Shows your primary statistics",
		2779	},
		2780	"c/skills" => {
		2781	id => "infobox",
		2782	title => "Skills",
		2783	reply => undef,
		2784	tooltip => "Shows your experience per skill and item power",
		2785	},
		2786	"c/resistances" => {
		2787	id => "infobox",
		2788	title => "Resistances",
		2789	reply => undef,
		2790	tooltip => "Shows your resistances",
		2791	},
		2792	"c/pets" => {
		2793	id => "infobox",
		2794	title => "Pets",
		2795	reply => undef,
		2796	tooltip => "Shows information abotu your pets/a specific pet",
		2797	},
		2798	"c/uptime" => {
		2799	id => "infobox",
		2800	title => "Uptime",
		2801	reply => undef,
		2802	tooltip => "How long the server has been running since last restart",
		2803	},
		2804	"c/mapinfo" => {
		2805	id => "infobox",
		2806	title => "Map Info",
		2807	reply => undef,
		2808	tooltip => "Information related to the maps",
		2809	},
		2810	"c/party" => {
		2811	id => "party",
		2812	title => "Party",
		2813	reply => "gsay ",
		2814	tooltip => "Messages and chat related to your party",
		2815	},
		2816	"c/death" => {
		2817	id => "death",
		2818	title => "Death",
		2819	reply => undef,
		2820	tooltip => "Reason for and more info about your most recent death",
		2821	},
		2822	"c/say" => $SAY_CHANNEL,
		2823	"c/chat" => $CHAT_CHANNEL,
		2824	);
		2825
2500	sub cf::client::send_msg {	2826	sub cf::client::send_msg {
2501	my ($self, $channel, $msg, $color, @extra) = @_;	2827	my ($self, $channel, $msg, $color, @extra) = @_;
2502		2828
2503	$msg = $self->pl->expand_cfpod ($msg);	2829	$msg = $self->pl->expand_cfpod ($msg)
		2830	unless $color & cf::NDI_VERBATIM;
2504		2831
2505	$color &= ~cf::NDI_UNIQUE; # just in case...	2832	$color &= cf::NDI_CLIENT_MASK; # just in case...
2506		2833
		2834	# check predefined channels, for the benefit of C
		2835	if ($CHANNEL{$channel}) {
		2836	$channel = $CHANNEL{$channel};
		2837
		2838	$self->ext_msg (channel_info => $channel);
		2839	$channel = $channel->{id};
		2840
2507	if (ref $channel) {	2841	} elsif (ref $channel) {
2508	# send meta info to client, if not yet sent	2842	# send meta info to client, if not yet sent
2509	unless (exists $self->{channel}{$channel->{id}}) {	2843	unless (exists $self->{channel}{$channel->{id}}) {
2510	$self->{channel}{$channel->{id}} = $channel;	2844	$self->{channel}{$channel->{id}} = $channel;
2511	$self->ext_event (channel_info => %$channel);	2845	$self->ext_msg (channel_info => $channel);
2512	}	2846	}
2513		2847
2514	$channel = $channel->{id};	2848	$channel = $channel->{id};
2515	}	2849	}
2516		2850
2517	return unless @extra || length $msg;	2851	return unless @extra || length $msg;
2518		2852
2519	if ($self->can_msg) {	2853	# default colour, mask it out
2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2521	} else {	2855	if $color & cf::NDI_DEF;
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		2856
2532	if ($color >= 0) {	2857	my $pkt = "msg "
2533	if (0 && $msg =~ /\[/) {	2858	. $self->{json_coder}->encode (
2534	$self->send_packet ("drawextinfo $color 4 0 $msg")	2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2535	} else {	2860	);
2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2537	$self->send_packet ("drawinfo $color $msg")
2538	}
2539	}
2540	}
2541	}
2542		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	}
		2874
2543	=item $client->ext_event ($type, %msg)	2875	=item $client->ext_msg ($type, @msg)
2544		2876
2545	Sends an ext event to the client.	2877	Sends an ext event to the client.
2546		2878
2547	=cut	2879	=cut
2548		2880
2549	sub cf::client::ext_event($$%) {	2881	sub cf::client::ext_msg($$@) {
2550	my ($self, $type, %msg) = @_;	2882	my ($self, $type, @msg) = @_;
2551		2883
2552	return unless $self->extcmd;	2884	if ($self->extcmd == 2) {
2553		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2886	} elsif ($self->extcmd == 1) { # TODO: remove
2554	$msg{msgtype} = "event_$type";	2887	push @msg, msgtype => "event_$type";
2555	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2888	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2889	}
		2890	}
		2891
		2892	=item $client->ext_reply ($msgid, @msg)
		2893
		2894	Sends an ext reply to the client.
		2895
		2896	=cut
		2897
		2898	sub cf::client::ext_reply($$@) {
		2899	my ($self, $id, @msg) = @_;
		2900
		2901	if ($self->extcmd == 2) {
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2903	} elsif ($self->extcmd == 1) {
		2904	#TODO: version 1, remove
		2905	unshift @msg, msgtype => "reply", msgid => $id;
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2907	}
2556	}	2908	}
2557		2909
2558	=item $success = $client->query ($flags, "text", \&cb)	2910	=item $success = $client->query ($flags, "text", \&cb)
2559		2911
2560	Queues a query to the client, calling the given callback with	2912	Queues a query to the client, calling the given callback with
…		…
2615	my ($ns, $buf) = @_;	2967	my ($ns, $buf) = @_;
2616		2968
2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2969	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2618		2970
2619	if (ref $msg) {	2971	if (ref $msg) {
		2972	my ($type, $reply, @payload) =
		2973	"ARRAY" eq ref $msg
		2974	? @$msg
		2975	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2976
		2977	my @reply;
		2978
2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2979	if (my $cb = $EXTICMD{$type}) {
2621	if (my %reply = $cb->($ns, $msg)) {	2980	@reply = $cb->($ns, @payload);
2622	$reply{msgid} = $msg->{msgid};
2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2624	}
2625	}	2981	}
		2982
		2983	$ns->ext_reply ($reply, @reply)
		2984	if $reply;
		2985
2626	} else {	2986	} else {
2627	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2987	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2628	}	2988	}
2629		2989
2630	cf::override;	2990	cf::override;
…		…
2677	our $safe = new Safe "safe";	3037	our $safe = new Safe "safe";
2678	our $safe_hole = new Safe::Hole;	3038	our $safe_hole = new Safe::Hole;
2679		3039
2680	$SIG{FPE} = 'IGNORE';	3040	$SIG{FPE} = 'IGNORE';
2681		3041
2682	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3042	$safe->permit_only (Opcode::opset qw(
		3043	:base_core :base_mem :base_orig :base_math
		3044	grepstart grepwhile mapstart mapwhile
		3045	sort time
		3046	));
2683		3047
2684	# here we export the classes and methods available to script code	3048	# here we export the classes and methods available to script code
2685		3049
2686	=pod	3050	=pod
2687		3051
2688	The following functions and methods are available within a safe environment:	3052	The following functions and methods are available within a safe environment:
2689		3053
2690	cf::object	3054	cf::object
2691	contr pay_amount pay_player map x y force_find force_add	3055	contr pay_amount pay_player map x y force_find force_add destroy
2692	insert remove	3056	insert remove name archname title slaying race decrease split
2693		3057
2694	cf::object::player	3058	cf::object::player
2695	player	3059	player
2696		3060
2697	cf::player	3061	cf::player
…		…
2702		3066
2703	=cut	3067	=cut
2704		3068
2705	for (	3069	for (
2706	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3070	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2707	insert remove)],	3071	insert remove inv nrof name archname title slaying race
		3072	decrease split destroy change_exp)],
2708	["cf::object::player" => qw(player)],	3073	["cf::object::player" => qw(player)],
2709	["cf::player" => qw(peaceful)],	3074	["cf::player" => qw(peaceful)],
2710	["cf::map" => qw(trigger)],	3075	["cf::map" => qw(trigger)],
2711	) {	3076	) {
2712	no strict 'refs';	3077	no strict 'refs';
…		…
2788	# the server's init and main functions	3153	# the server's init and main functions
2789		3154
2790	sub load_facedata($) {	3155	sub load_facedata($) {
2791	my ($path) = @_;	3156	my ($path) = @_;
2792		3157
		3158	# HACK to clear player env face cache, we need some signal framework
		3159	# for this (global event?)
		3160	%ext::player_env::MUSIC_FACE_CACHE = ();
		3161
		3162	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3163
2793	warn "loading facedata from $path\n";	3164	warn "loading facedata from $path\n";
2794		3165
2795	my $facedata;	3166	my $facedata;
2796	0 < aio_load $path, $facedata	3167	0 < aio_load $path, $facedata
2797	or die "$path: $!";	3168	or die "$path: $!";
…		…
2799	$facedata = Coro::Storable::thaw $facedata;	3170	$facedata = Coro::Storable::thaw $facedata;
2800		3171
2801	$facedata->{version} == 2	3172	$facedata->{version} == 2
2802	or cf::cleanup "$path: version mismatch, cannot proceed.";	3173	or cf::cleanup "$path: version mismatch, cannot proceed.";
2803		3174
		3175	# patch in the exptable
		3176	$facedata->{resource}{"res/exp_table"} = {
		3177	type => FT_RSRC,
		3178	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3179	};
		3180	cf::cede_to_tick;
		3181
2804	{	3182	{
2805	my $faces = $facedata->{faceinfo};	3183	my $faces = $facedata->{faceinfo};
2806		3184
2807	while (my ($face, $info) = each %$faces) {	3185	while (my ($face, $info) = each %$faces) {
2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3186	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3187
2809	cf::face::set_visibility $idx, $info->{visibility};	3188	cf::face::set_visibility $idx, $info->{visibility};
2810	cf::face::set_magicmap $idx, $info->{magicmap};	3189	cf::face::set_magicmap $idx, $info->{magicmap};
2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3190	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3191	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2813		3192
2814	cf::cede_to_tick;	3193	cf::cede_to_tick;
2815	}	3194	}
2816		3195
2817	while (my ($face, $info) = each %$faces) {	3196	while (my ($face, $info) = each %$faces) {
2818	next unless $info->{smooth};	3197	next unless $info->{smooth};
		3198
2819	my $idx = cf::face::find $face	3199	my $idx = cf::face::find $face
2820	or next;	3200	or next;
		3201
2821	if (my $smooth = cf::face::find $info->{smooth}) {	3202	if (my $smooth = cf::face::find $info->{smooth}) {
2822	cf::face::set_smooth $idx, $smooth;	3203	cf::face::set_smooth $idx, $smooth;
2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3204	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2824	} else {	3205	} else {
2825	warn "smooth face '$info->{smooth}' not found for face '$face'";	3206	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2842		3223
2843	{	3224	{
2844	# TODO: for gcfclient pleasure, we should give resources	3225	# TODO: for gcfclient pleasure, we should give resources
2845	# that gcfclient doesn't grok a >10000 face index.	3226	# that gcfclient doesn't grok a >10000 face index.
2846	my $res = $facedata->{resource};	3227	my $res = $facedata->{resource};
2847	my $enc = JSON::XS->new->utf8->canonical;
2848		3228
2849	while (my ($name, $info) = each %$res) {	3229	while (my ($name, $info) = each %$res) {
2850	my $meta = $enc->encode ({	3230	if (defined $info->{type}) {
2851	name => $name,
2852	type => $info->{type},
2853	copyright => $info->{copyright}, #TODO#
2854	});
2855
2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3231	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3232	my $data;
2857		3233
2858	if ($name =~ /\.jpg$/) {	3234	if ($info->{type} & 1) {
2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3235	# prepend meta info
2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3236
		3237	my $meta = $enc->encode ({
		3238	name => $name,
		3239	%{ $info->{meta} || {} },
		3240	});
		3241
		3242	$data = pack "(w/a*)*", $meta, $info->{data};
		3243	} else {
		3244	$data = $info->{data};
		3245	}
		3246
		3247	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3248	cf::face::set_type $idx, $info->{type};
2861	} else {	3249	} else {
2862	my $data = pack "(w/a*)*", $meta, $info->{data};	3250	$RESOURCE{$name} = $info;
2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2864
2865	cf::face::set_type $idx, 1;
2866	cf::face::set_data $idx, 0, $data, $chk;
2867	}	3251	}
2868		3252
2869	cf::cede_to_tick;	3253	cf::cede_to_tick;
2870	}	3254	}
2871	}	3255	}
2872		3256
		3257	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3258
2873	1	3259	1
2874	}	3260	}
2875		3261
		3262	cf::global->attach (on_resource_update => sub {
		3263	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3264	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3265
		3266	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3267	my $sound = $soundconf->{compat}[$_]
		3268	or next;
		3269
		3270	my $face = cf::face::find "sound/$sound->[1]";
		3271	cf::sound::set $sound->[0] => $face;
		3272	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3273	}
		3274
		3275	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3276	my $face = cf::face::find "sound/$v";
		3277	cf::sound::set $k => $face;
		3278	}
		3279	}
		3280	});
		3281
		3282	register_exticmd fx_want => sub {
		3283	my ($ns, $want) = @_;
		3284
		3285	while (my ($k, $v) = each %$want) {
		3286	$ns->fx_want ($k, $v);
		3287	}
		3288	};
		3289
		3290	sub load_resource_file($) {
		3291	my $guard = lock_acquire "load_resource_file";
		3292
		3293	my $status = load_resource_file_ $_[0];
		3294	get_slot 0.1, 100;
		3295	cf::arch::commit_load;
		3296
		3297	$status
		3298	}
		3299
2876	sub reload_regions {	3300	sub reload_regions {
		3301	# HACK to clear player env face cache, we need some signal framework
		3302	# for this (global event?)
		3303	%ext::player_env::MUSIC_FACE_CACHE = ();
		3304
2877	load_resource_file "$MAPDIR/regions"	3305	load_resource_file "$MAPDIR/regions"
2878	or die "unable to load regions file\n";	3306	or die "unable to load regions file\n";
2879		3307
2880	for (cf::region::list) {	3308	for (cf::region::list) {
2881	$_->{match} = qr/$_->{match}/	3309	$_->{match} = qr/$_->{match}/
…		…
2889	}	3317	}
2890		3318
2891	sub reload_archetypes {	3319	sub reload_archetypes {
2892	load_resource_file "$DATADIR/archetypes"	3320	load_resource_file "$DATADIR/archetypes"
2893	or die "unable to load archetypes\n";	3321	or die "unable to load archetypes\n";
2894	#d# NEED to laod twice to resolve forward references
2895	# this really needs to be done in an extra post-pass
2896	# (which needs to be synchronous, so solve it differently)
2897	load_resource_file "$DATADIR/archetypes"
2898	or die "unable to load archetypes\n";
2899	}	3322	}
2900		3323
2901	sub reload_treasures {	3324	sub reload_treasures {
2902	load_resource_file "$DATADIR/treasures"	3325	load_resource_file "$DATADIR/treasures"
2903	or die "unable to load treasurelists\n";	3326	or die "unable to load treasurelists\n";
2904	}	3327	}
2905		3328
2906	sub reload_resources {	3329	sub reload_resources {
2907	warn "reloading resource files...\n";	3330	warn "reloading resource files...\n";
2908		3331
		3332	reload_facedata;
		3333	reload_archetypes;
2909	reload_regions;	3334	reload_regions;
2910	reload_facedata;
2911	#reload_archetypes;#d#
2912	reload_archetypes;
2913	reload_treasures;	3335	reload_treasures;
2914		3336
2915	warn "finished reloading resource files\n";	3337	warn "finished reloading resource files\n";
2916	}	3338	}
2917		3339
2918	sub init {	3340	sub reload_config {
2919	reload_resources;
2920	}
2921
2922	sub cfg_load {
2923	open my $fh, "<:utf8", "$CONFDIR/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
2924	or return;	3342	or return;
2925		3343
2926	local $/;	3344	local $/;
2927	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
2928		3346
2929	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2930		3348
2931	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2932	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2938	};	3356	};
2939	warn $@ if $@;	3357	warn $@ if $@;
2940	}	3358	}
2941	}	3359	}
2942		3360
		3361	sub pidfile() {
		3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3363	or die "$PIDFILE: $!";
		3364	flock $fh, &Fcntl::LOCK_EX
		3365	or die "$PIDFILE: flock: $!";
		3366	$fh
		3367	}
		3368
		3369	# make sure only one server instance is running at any one time
		3370	sub atomic {
		3371	my $fh = pidfile;
		3372
		3373	my $pid = <$fh>;
		3374	kill 9, $pid if $pid > 0;
		3375
		3376	seek $fh, 0, 0;
		3377	print $fh $$;
		3378	}
		3379
2943	sub main {	3380	sub main {
		3381	cf::init_globals; # initialise logging
		3382
		3383	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3384	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3385	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3386	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3387
		3388	cf::init_experience;
		3389	cf::init_anim;
		3390	cf::init_attackmess;
		3391	cf::init_dynamic;
		3392
		3393	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3394
2944	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
2945	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
2946	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2947	(async {	3398	(async {
2948	Event::one_event;	3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3400	EV::loop EV::LOOP_ONESHOT;
2949	})->prio (Coro::PRIO_MAX);	3401	})->prio (Coro::PRIO_MAX);
2950	};	3402	};
2951		3403
2952	cfg_load;	3404	evthread_start IO::AIO::poll_fileno;
		3405
		3406	cf::sync_job {
		3407	reload_resources;
		3408	reload_config;
2953	db_init;	3409	db_init;
		3410
		3411	cf::load_settings;
		3412	cf::load_materials;
		3413	cf::init_uuid;
		3414	cf::init_signals;
		3415	cf::init_commands;
		3416	cf::init_skills;
		3417
		3418	cf::init_beforeplay;
		3419
		3420	atomic;
		3421
2954	load_extensions;	3422	load_extensions;
2955		3423
2956	$TICK_WATCHER->start;	3424	utime time, time, $RUNTIMEFILE;
		3425
		3426	# no (long-running) fork's whatsoever before this point(!)
		3427	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3428
		3429	(pop @POST_INIT)->(0) while @POST_INIT;
		3430	};
		3431
2957	Event::loop;	3432	EV::loop;
2958	}	3433	}
2959		3434
2960	#############################################################################	3435	#############################################################################
2961	# initialisation and cleanup	3436	# initialisation and cleanup
2962		3437
2963	# install some emergency cleanup handlers	3438	# install some emergency cleanup handlers
2964	BEGIN {	3439	BEGIN {
		3440	our %SIGWATCHER = ();
2965	for my $signal (qw(INT HUP TERM)) {	3441	for my $signal (qw(INT HUP TERM)) {
2966	Event->signal (	3442	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2967	reentrant => 0,
2968	data => WF_AUTOCANCEL,
2969	signal => $signal,
2970	prio => 0,
2971	cb => sub {
2972	cf::cleanup "SIG$signal";	3443	cf::cleanup "SIG$signal";
2973	},
2974	);	3444	};
2975	}	3445	}
2976	}	3446	}
2977		3447
2978	sub write_runtime {	3448	sub write_runtime_sync {
2979	my $runtime = "$LOCALDIR/runtime";
2980
2981	# first touch the runtime file to show we are still running:	3449	# first touch the runtime file to show we are still running:
2982	# the fsync below can take a very very long time.	3450	# the fsync below can take a very very long time.
2983		3451
2984	IO::AIO::aio_utime $runtime, undef, undef;	3452	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2985		3453
2986	my $guard = cf::lock_acquire "write_runtime";	3454	my $guard = cf::lock_acquire "write_runtime";
2987		3455
2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3456	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2989	or return;	3457	or return;
2990		3458
2991	my $value = $cf::RUNTIME + 90 + 10;	3459	my $value = $cf::RUNTIME + 90 + 10;
2992	# 10 is the runtime save interval, for a monotonic clock	3460	# 10 is the runtime save interval, for a monotonic clock
2993	# 60 allows for the watchdog to kill the server.	3461	# 60 allows for the watchdog to kill the server.
…		…
3003	aio_utime $fh, undef, undef;	3471	aio_utime $fh, undef, undef;
3004		3472
3005	close $fh	3473	close $fh
3006	or return;	3474	or return;
3007		3475
3008	aio_rename "$runtime~", $runtime	3476	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3009	and return;	3477	and return;
3010		3478
3011	warn "runtime file written.\n";	3479	warn "runtime file written.\n";
3012		3480
3013	1	3481	1
		3482	}
		3483
		3484	our $uuid_lock;
		3485	our $uuid_skip;
		3486
		3487	sub write_uuid_sync($) {
		3488	$uuid_skip ||= $_[0];
		3489
		3490	return if $uuid_lock;
		3491	local $uuid_lock = 1;
		3492
		3493	my $uuid = "$LOCALDIR/uuid";
		3494
		3495	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3496	or return;
		3497
		3498	my $value = uuid_seq uuid_cur;
		3499
		3500	unless ($value) {
		3501	warn "cowardly refusing to write zero uuid value!\n";
		3502	return;
		3503	}
		3504
		3505	my $value = uuid_str $value + $uuid_skip;
		3506	$uuid_skip = 0;
		3507
		3508	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3509	and return;
		3510
		3511	# always fsync - this file is important
		3512	aio_fsync $fh
		3513	and return;
		3514
		3515	close $fh
		3516	or return;
		3517
		3518	aio_rename "$uuid~", $uuid
		3519	and return;
		3520
		3521	warn "uuid file written ($value).\n";
		3522
		3523	1
		3524
		3525	}
		3526
		3527	sub write_uuid($$) {
		3528	my ($skip, $sync) = @_;
		3529
		3530	$sync ? write_uuid_sync $skip
		3531	: async { write_uuid_sync $skip };
3014	}	3532	}
3015		3533
3016	sub emergency_save() {	3534	sub emergency_save() {
3017	my $freeze_guard = cf::freeze_mainloop;	3535	my $freeze_guard = cf::freeze_mainloop;
3018		3536
3019	warn "enter emergency perl save\n";	3537	warn "emergency_perl_save: enter\n";
3020		3538
3021	cf::sync_job {	3539	cf::sync_job {
		3540	# this is a trade-off: we want to be very quick here, so
		3541	# save all maps without fsync, and later call a global sync
		3542	# (which in turn might be very very slow)
		3543	local $USE_FSYNC = 0;
		3544
3022	# use a peculiar iteration method to avoid tripping on perl	3545	# use a peculiar iteration method to avoid tripping on perl
3023	# refcount bugs in for. also avoids problems with players	3546	# refcount bugs in for. also avoids problems with players
3024	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
3025	warn "begin emergency player save\n";	3548	warn "emergency_perl_save: begin player save\n";
3026	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
3027	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
3028	$pl->valid or next;	3551	$pl->valid or next;
		3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3029	$pl->save;	3553	$pl->save;
3030	}	3554	}
3031	warn "end emergency player save\n";	3555	warn "emergency_perl_save: end player save\n";
3032		3556
3033	warn "begin emergency map save\n";	3557	warn "emergency_perl_save: begin map save\n";
3034	for my $path (keys %cf::MAP) {	3558	for my $path (keys %cf::MAP) {
3035	my $map = $cf::MAP{$path} or next;	3559	my $map = $cf::MAP{$path} or next;
3036	$map->valid or next;	3560	$map->valid or next;
3037	$map->save;	3561	$map->save;
3038	}	3562	}
3039	warn "end emergency map save\n";	3563	warn "emergency_perl_save: end map save\n";
3040		3564
3041	warn "begin emergency database checkpoint\n";	3565	warn "emergency_perl_save: begin database checkpoint\n";
3042	BDB::db_env_txn_checkpoint $DB_ENV;	3566	BDB::db_env_txn_checkpoint $DB_ENV;
3043	warn "end emergency database checkpoint\n";	3567	warn "emergency_perl_save: end database checkpoint\n";
		3568
		3569	warn "emergency_perl_save: begin write uuid\n";
		3570	write_uuid_sync 1;
		3571	warn "emergency_perl_save: end write uuid\n";
3044	};	3572	};
3045		3573
		3574	warn "emergency_perl_save: starting sync()\n";
		3575	IO::AIO::aio_sync sub {
		3576	warn "emergency_perl_save: finished sync()\n";
		3577	};
		3578
3046	warn "leave emergency perl save\n";	3579	warn "emergency_perl_save: leave\n";
3047	}	3580	}
3048		3581
3049	sub post_cleanup {	3582	sub post_cleanup {
3050	my ($make_core) = @_;	3583	my ($make_core) = @_;
3051		3584
3052	warn Carp::longmess "post_cleanup backtrace"	3585	warn Carp::longmess "post_cleanup backtrace"
3053	if $make_core;	3586	if $make_core;
		3587
		3588	my $fh = pidfile;
		3589	unlink $PIDFILE if <$fh> == $$;
		3590	}
		3591
		3592	# a safer delete_package, copied from Symbol
		3593	sub clear_package($) {
		3594	my $pkg = shift;
		3595
		3596	# expand to full symbol table name if needed
		3597	unless ($pkg =~ /^main::.*::$/) {
		3598	$pkg = "main$pkg" if $pkg =~ /^::/;
		3599	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3600	$pkg .= '::' unless $pkg =~ /::$/;
		3601	}
		3602
		3603	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3604	my $stem_symtab = *{$stem}{HASH};
		3605
		3606	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3607	or return;
		3608
		3609	# clear all symbols
		3610	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3611	for my $name (keys %$leaf_symtab) {
		3612	_gv_clear *{"$pkg$name"};
		3613	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3614	}
		3615	warn "cleared package $pkg\n";#d#
3054	}	3616	}
3055		3617
3056	sub do_reload_perl() {	3618	sub do_reload_perl() {
3057	# can/must only be called in main	3619	# can/must only be called in main
3058	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
3059	warn "can only reload from main coroutine";	3621	warn "can only reload from main coroutine";
3060	return;	3622	return;
3061	}	3623	}
3062		3624
		3625	return if $RELOAD++;
		3626
		3627	my $t1 = EV::time;
		3628
		3629	while ($RELOAD) {
3063	warn "reloading...";	3630	warn "reloading...";
3064		3631
3065	warn "entering sync_job";	3632	warn "entering sync_job";
3066		3633
3067	cf::sync_job {	3634	cf::sync_job {
3068	cf::write_runtime; # external watchdog should not bark	3635	cf::write_runtime_sync; # external watchdog should not bark
3069	cf::emergency_save;	3636	cf::emergency_save;
3070	cf::write_runtime; # external watchdog should not bark	3637	cf::write_runtime_sync; # external watchdog should not bark
3071		3638
3072	warn "syncing database to disk";	3639	warn "syncing database to disk";
3073	BDB::db_env_txn_checkpoint $DB_ENV;	3640	BDB::db_env_txn_checkpoint $DB_ENV;
3074		3641
3075	# if anything goes wrong in here, we should simply crash as we already saved	3642	# if anything goes wrong in here, we should simply crash as we already saved
3076		3643
3077	warn "cancelling all WF_AUTOCANCEL watchers";
3078	for (Event::all_watchers) {
3079	$_->cancel if $_->data & WF_AUTOCANCEL;
3080	}
3081
3082	warn "flushing outstanding aio requests";	3644	warn "flushing outstanding aio requests";
3083	for (;;) {
3084	BDB::flush;
3085	IO::AIO::flush;
3086	Coro::cede;
3087	last unless IO::AIO::nreqs || BDB::nreqs;	3645	while (IO::AIO::nreqs || BDB::nreqs) {
3088	warn "iterate...";	3646	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3089	}
3090
3091	++$RELOAD;
3092
3093	warn "cancelling all extension coros";
3094	$_->cancel for values %EXT_CORO;
3095	%EXT_CORO = ();
3096
3097	warn "removing commands";
3098	%COMMAND = ();
3099
3100	warn "removing ext/exti commands";
3101	%EXTCMD = ();
3102	%EXTICMD = ();
3103
3104	warn "unloading/nuking all extensions";
3105	for my $pkg (@EXTS) {
3106	warn "... unloading $pkg";
3107
3108	if (my $cb = $pkg->can ("unload")) {
3109	eval {
3110	$cb->($pkg);
3111	1
3112	} or warn "$pkg unloaded, but with errors: $@";
3113	}	3647	}
3114		3648
3115	warn "... nuking $pkg";	3649	warn "cancelling all extension coros";
3116	Symbol::delete_package $pkg;	3650	$_->cancel for values %EXT_CORO;
3117	}	3651	%EXT_CORO = ();
3118		3652
3119	warn "unloading all perl modules loaded from $LIBDIR";	3653	warn "removing commands";
3120	while (my ($k, $v) = each %INC) {	3654	%COMMAND = ();
3121	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3122		3655
		3656	warn "removing ext/exti commands";
		3657	%EXTCMD = ();
		3658	%EXTICMD = ();
		3659
		3660	warn "unloading/nuking all extensions";
		3661	for my $pkg (@EXTS) {
3123	warn "... unloading $k";	3662	warn "... unloading $pkg";
3124	delete $INC{$k};
3125		3663
3126	$k =~ s/\.pm$//;
3127	$k =~ s/\//::/g;
3128
3129	if (my $cb = $k->can ("unload_module")) {	3664	if (my $cb = $pkg->can ("unload")) {
		3665	eval {
3130	$cb->();	3666	$cb->($pkg);
		3667	1
		3668	} or warn "$pkg unloaded, but with errors: $@";
		3669	}
		3670
		3671	warn "... clearing $pkg";
		3672	clear_package $pkg;
3131	}	3673	}
3132		3674
3133	Symbol::delete_package $k;	3675	warn "unloading all perl modules loaded from $LIBDIR";
		3676	while (my ($k, $v) = each %INC) {
		3677	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3678
		3679	warn "... unloading $k";
		3680	delete $INC{$k};
		3681
		3682	$k =~ s/\.pm$//;
		3683	$k =~ s/\//::/g;
		3684
		3685	if (my $cb = $k->can ("unload_module")) {
		3686	$cb->();
		3687	}
		3688
		3689	clear_package $k;
3134	}	3690	}
3135		3691
3136	warn "getting rid of safe::, as good as possible";	3692	warn "getting rid of safe::, as good as possible";
3137	Symbol::delete_package "safe::$_"	3693	clear_package "safe::$_"
3138	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3694	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3139		3695
3140	warn "unloading cf.pm \"a bit\"";	3696	warn "unloading cf.pm \"a bit\"";
3141	delete $INC{"cf.pm"};	3697	delete $INC{"cf.pm"};
3142	delete $INC{"cf/pod.pm"};	3698	delete $INC{"cf/pod.pm"};
3143		3699
3144	# don't, removes xs symbols, too,	3700	# don't, removes xs symbols, too,
3145	# and global variables created in xs	3701	# and global variables created in xs
3146	#Symbol::delete_package __PACKAGE__;	3702	#clear_package __PACKAGE__;
3147		3703
3148	warn "unload completed, starting to reload now";	3704	warn "unload completed, starting to reload now";
3149		3705
3150	warn "reloading cf.pm";	3706	warn "reloading cf.pm";
3151	require cf;	3707	require cf;
3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3708	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3153		3709
3154	warn "loading config and database again";	3710	warn "loading config and database again";
3155	cf::cfg_load;	3711	cf::reload_config;
3156		3712
3157	warn "loading extensions";	3713	warn "loading extensions";
3158	cf::load_extensions;	3714	cf::load_extensions;
3159		3715
		3716	if ($REATTACH_ON_RELOAD) {
3160	warn "reattaching attachments to objects/players";	3717	warn "reattaching attachments to objects/players";
3161	_global_reattach; # objects, sockets	3718	_global_reattach; # objects, sockets
3162	warn "reattaching attachments to maps";	3719	warn "reattaching attachments to maps";
3163	reattach $_ for values %MAP;	3720	reattach $_ for values %MAP;
3164	warn "reattaching attachments to players";	3721	warn "reattaching attachments to players";
3165	reattach $_ for values %PLAYER;	3722	reattach $_ for values %PLAYER;
		3723	}
3166		3724
		3725	warn "running post_init jobs";
		3726	(pop @POST_INIT)->(1) while @POST_INIT;
		3727
3167	warn "leaving sync_job";	3728	warn "leaving sync_job";
3168		3729
3169	1	3730	1
3170	} or do {	3731	} or do {
3171	warn $@;	3732	warn $@;
3172	warn "error while reloading, exiting.";	3733	cf::cleanup "error while reloading, exiting.";
3173	exit 1;
3174	};	3734	};
3175		3735
3176	warn "reloaded";	3736	warn "reloaded";
		3737	--$RELOAD;
		3738	}
		3739
		3740	$t1 = EV::time - $t1;
		3741	warn "reload completed in ${t1}s\n";
3177	};	3742	};
3178		3743
3179	our $RELOAD_WATCHER; # used only during reload	3744	our $RELOAD_WATCHER; # used only during reload
3180		3745
3181	sub reload_perl() {	3746	sub reload_perl() {
3182	# doing reload synchronously and two reloads happen back-to-back,	3747	# doing reload synchronously and two reloads happen back-to-back,
3183	# coro crashes during coro_state_free->destroy here.	3748	# coro crashes during coro_state_free->destroy here.
3184		3749
3185	$RELOAD_WATCHER ||= Event->timer (	3750	$RELOAD_WATCHER ||= cf::async {
3186	reentrant => 0,	3751	Coro::AIO::aio_wait cache_extensions;
3187	after => 0,	3752
3188	data => WF_AUTOCANCEL,	3753	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3189	cb => sub {
3190	do_reload_perl;	3754	do_reload_perl;
3191	undef $RELOAD_WATCHER;	3755	undef $RELOAD_WATCHER;
3192	},	3756	};
3193	);	3757	};
3194	}	3758	}
3195		3759
3196	register_command "reload" => sub {	3760	register_command "reload" => sub {
3197	my ($who, $arg) = @_;	3761	my ($who, $arg) = @_;
3198		3762
3199	if ($who->flag (FLAG_WIZ)) {	3763	if ($who->flag (FLAG_WIZ)) {
3200	$who->message ("reloading server.");	3764	$who->message ("reloading server.");
		3765	async {
		3766	$Coro::current->{desc} = "perl_reload";
3201	async { reload_perl };	3767	reload_perl;
		3768	};
3202	}	3769	}
3203	};	3770	};
3204		3771
3205	unshift @INC, $LIBDIR;	3772	unshift @INC, $LIBDIR;
3206		3773
…		…
3208		3775
3209	our @WAIT_FOR_TICK;	3776	our @WAIT_FOR_TICK;
3210	our @WAIT_FOR_TICK_BEGIN;	3777	our @WAIT_FOR_TICK_BEGIN;
3211		3778
3212	sub wait_for_tick {	3779	sub wait_for_tick {
3213	return unless $TICK_WATCHER->is_active;
3214	return if $Coro::current == $Coro::main;	3780	return if tick_inhibit || $Coro::current == $Coro::main;
3215		3781
3216	my $signal = new Coro::Signal;	3782	my $signal = new Coro::Signal;
3217	push @WAIT_FOR_TICK, $signal;	3783	push @WAIT_FOR_TICK, $signal;
3218	$signal->wait;	3784	$signal->wait;
3219	}	3785	}
3220		3786
3221	sub wait_for_tick_begin {	3787	sub wait_for_tick_begin {
3222	return unless $TICK_WATCHER->is_active;
3223	return if $Coro::current == $Coro::main;	3788	return if tick_inhibit || $Coro::current == $Coro::main;
3224		3789
3225	my $signal = new Coro::Signal;	3790	my $signal = new Coro::Signal;
3226	push @WAIT_FOR_TICK_BEGIN, $signal;	3791	push @WAIT_FOR_TICK_BEGIN, $signal;
3227	$signal->wait;	3792	$signal->wait;
3228	}	3793	}
3229		3794
3230	my $min = 1e6;#d#	3795	sub tick {
3231	my $avg = 10;
3232	$TICK_WATCHER = Event->timer (
3233	reentrant => 0,
3234	parked => 1,
3235	prio => 0,
3236	at => $NEXT_TICK || $TICK,
3237	data => WF_AUTOCANCEL,
3238	cb => sub {
3239	if ($Coro::current != $Coro::main) {	3796	if ($Coro::current != $Coro::main) {
3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3797	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3241	unless ++$bug_warning > 10;	3798	unless ++$bug_warning > 10;
3242	return;	3799	return;
3243	}	3800	}
3244		3801
3245	$NOW = $tick_start = Event::time;
3246
3247	cf::server_tick; # one server iteration	3802	cf::server_tick; # one server iteration
3248		3803
3249	0 && sync_job {#d#	3804	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3250	for(1..10) {	3805	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3251	my $t = Event::time;	3806	Coro::async_pool {
3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3807	$Coro::current->{desc} = "runtime saver";
3253	or die;	3808	write_runtime_sync
3254		3809	or warn "ERROR: unable to write runtime file: $!";
3255	$map->width (50);
3256	$map->height (50);
3257	$map->alloc;
3258	$map->_load_objects ("/tmp/x.map", 1);
3259	my $t = Event::time - $t;
3260
3261	#next unless $t < 0.0013;#d#
3262	if ($t < $min) {
3263	$min = $t;
3264	}
3265	$avg = $avg * 0.99 + $t * 0.01;
3266	}
3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3268	exit 0;
3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3270	};	3810	};
		3811	}
3271		3812
3272	$RUNTIME += $TICK;
3273	$NEXT_TICK += $TICK;
3274
3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
3277	Coro::async_pool {
3278	write_runtime
3279	or warn "ERROR: unable to write runtime file: $!";
3280	};
3281	}
3282
3283	# my $AFTER = Event::time;
3284	# warn $AFTER - $NOW;#d#
3285
3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3813	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3287	$sig->send;	3814	$sig->send;
3288	}	3815	}
3289	while (my $sig = shift @WAIT_FOR_TICK) {	3816	while (my $sig = shift @WAIT_FOR_TICK) {
3290	$sig->send;	3817	$sig->send;
3291	}	3818	}
3292		3819
3293	$NOW = Event::time;	3820	$LOAD = ($NOW - $TICK_START) / $TICK;
3294
3295	# if we are delayed by four ticks or more, skip them all
3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3297
3298	$TICK_WATCHER->at ($NEXT_TICK);
3299	$TICK_WATCHER->start;
3300
3301	$LOAD = ($NOW - $tick_start) / $TICK;
3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3821	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3303		3822
3304	_post_tick;	3823	if (0) {
3305		3824	if ($NEXT_TICK) {
3306		3825	my $jitter = $TICK_START - $NEXT_TICK;
		3826	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3827	warn "jitter $JITTER\n";#d#
		3828	}
3307	},	3829	}
3308	);	3830	}
3309		3831
3310	{	3832	{
3311	BDB::max_poll_time $TICK * 0.1;	3833	# configure BDB
3312	$BDB_POLL_WATCHER = Event->io (	3834
3313	reentrant => 0,
3314	fd => BDB::poll_fileno,
3315	poll => 'r',
3316	prio => 0,
3317	data => WF_AUTOCANCEL,
3318	cb => \&BDB::poll_cb,
3319	);
3320	BDB::min_parallel 8;	3835	BDB::min_parallel 8;
3321		3836	BDB::max_poll_reqs $TICK * 0.1;
3322	BDB::set_sync_prepare {	3837	$AnyEvent::BDB::WATCHER->priority (1);
3323	my $status;
3324	my $current = $Coro::current;
3325	(
3326	sub {
3327	$status = $!;
3328	$current->ready; undef $current;
3329	},
3330	sub {
3331	Coro::schedule while defined $current;
3332	$! = $status;
3333	},
3334	)
3335	};
3336		3838
3337	unless ($DB_ENV) {	3839	unless ($DB_ENV) {
3338	$DB_ENV = BDB::db_env_create;	3840	$DB_ENV = BDB::db_env_create;
		3841	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3842	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3843	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3844	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3845	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3339		3846
3340	cf::sync_job {	3847	cf::sync_job {
3341	eval {	3848	eval {
3342	BDB::db_env_open	3849	BDB::db_env_open
3343	$DB_ENV,	3850	$DB_ENV,
…		…
3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3852	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3853	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3347	0666;	3854	0666;
3348		3855
3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3856	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3350
3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3352	$DB_ENV->set_lk_detect;
3353	};	3857	};
3354		3858
3355	cf::cleanup "db_env_open(db): $@" if $@;	3859	cf::cleanup "db_env_open(db): $@" if $@;
3356	};	3860	};
3357	}	3861	}
		3862
		3863	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3864	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3865	};
		3866	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3867	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3868	};
		3869	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3870	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3871	};
3358	}	3872	}
3359		3873
3360	{	3874	{
		3875	# configure IO::AIO
		3876
3361	IO::AIO::min_parallel 8;	3877	IO::AIO::min_parallel 8;
3362
3363	undef $Coro::AIO::WATCHER;
3364	IO::AIO::max_poll_time $TICK * 0.1;	3878	IO::AIO::max_poll_time $TICK * 0.1;
3365	$AIO_POLL_WATCHER = Event->io (	3879	undef $AnyEvent::AIO::WATCHER;
3366	reentrant => 0,
3367	data => WF_AUTOCANCEL,
3368	fd => IO::AIO::poll_fileno,
3369	poll => 'r',
3370	prio => 6,
3371	cb => \&IO::AIO::poll_cb,
3372	);
3373	}	3880	}
3374		3881
3375	my $_log_backtrace;	3882	my $_log_backtrace;
3376		3883
3377	sub _log_backtrace {	3884	sub _log_backtrace {
…		…
3380	$msg =~ s/\n//;	3887	$msg =~ s/\n//;
3381		3888
3382	# limit the # of concurrent backtraces	3889	# limit the # of concurrent backtraces
3383	if ($_log_backtrace < 2) {	3890	if ($_log_backtrace < 2) {
3384	++$_log_backtrace;	3891	++$_log_backtrace;
		3892	my $perl_bt = Carp::longmess $msg;
3385	async {	3893	async {
		3894	$Coro::current->{desc} = "abt $msg";
		3895
3386	my @bt = fork_call {	3896	my @bt = fork_call {
3387	@addr = map { sprintf "%x", $_ } @addr;	3897	@addr = map { sprintf "%x", $_ } @addr;
3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3898	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3389	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3899	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3390	or die "addr2line: $!";	3900	or die "addr2line: $!";
…		…
3398	}	3908	}
3399		3909
3400	@funcs	3910	@funcs
3401	};	3911	};
3402		3912
3403	LOG llevInfo, "[ABT] $msg\n";	3913	LOG llevInfo, "[ABT] $perl_bt\n";
		3914	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3404	LOG llevInfo, "[ABT] $_\n" for @bt;	3915	LOG llevInfo, "[ABT] $_\n" for @bt;
3405	--$_log_backtrace;	3916	--$_log_backtrace;
3406	};	3917	};
3407	} else {	3918	} else {
3408	LOG llevInfo, "[ABT] $msg\n";	3919	LOG llevInfo, "[ABT] $msg\n";

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